Home / 6,877.58-10,316.37-1,947.24

Finding the Fourth Proportional to 6,877.58, 10,316.37 and 1,947.24

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Solution

The fourth proportional to 6,877.58, 10,316.37 and 1,947.24 is: 2,920.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.58 : 10,316.37 = 1,947.24 : x
  2. Step 2: Convert to fraction form
    6,877.58/10,316.37 = 1,947.24/x
  3. Step 3: Cross multiply
    6,877.58x = 10,316.37 × 1,947.24
  4. Step 4: Simplify right side
    6,877.58x = 20,088,483.35
  5. Step 5: Solve for x
    x = 20,088,483.35/6,877.58
  6. Step 6: Final answer
    x = 2,920.87

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.