Home / 4,921.29-6,776.87-4,397.13

Finding the Fourth Proportional to 4,921.29, 6,776.87 and 4,397.13

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Solution

The fourth proportional to 4,921.29, 6,776.87 and 4,397.13 is: 6,055.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.29 : 6,776.87 = 4,397.13 : x
  2. Step 2: Convert to fraction form
    4,921.29/6,776.87 = 4,397.13/x
  3. Step 3: Cross multiply
    4,921.29x = 6,776.87 × 4,397.13
  4. Step 4: Simplify right side
    4,921.29x = 29,798,756.40
  5. Step 5: Solve for x
    x = 29,798,756.40/4,921.29
  6. Step 6: Final answer
    x = 6,055.07

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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.