Home / 4,316.58-6,478.02-1,720.26

Finding the Fourth Proportional to 4,316.58, 6,478.02 and 1,720.26

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Solution

The fourth proportional to 4,316.58, 6,478.02 and 1,720.26 is: 2,581.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,316.58 : 6,478.02 = 1,720.26 : x
  2. Step 2: Convert to fraction form
    4,316.58/6,478.02 = 1,720.26/x
  3. Step 3: Cross multiply
    4,316.58x = 6,478.02 × 1,720.26
  4. Step 4: Simplify right side
    4,316.58x = 11,143,878.69
  5. Step 5: Solve for x
    x = 11,143,878.69/4,316.58
  6. Step 6: Final answer
    x = 2,581.65

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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.