Home / 7,939.15-10,955.59-4,402.87

Finding the Fourth Proportional to 7,939.15, 10,955.59 and 4,402.87

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Solution

The fourth proportional to 7,939.15, 10,955.59 and 4,402.87 is: 6,075.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.15 : 10,955.59 = 4,402.87 : x
  2. Step 2: Convert to fraction form
    7,939.15/10,955.59 = 4,402.87/x
  3. Step 3: Cross multiply
    7,939.15x = 10,955.59 × 4,402.87
  4. Step 4: Simplify right side
    7,939.15x = 48,236,038.54
  5. Step 5: Solve for x
    x = 48,236,038.54/7,939.15
  6. Step 6: Final answer
    x = 6,075.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.