Home / 5,077.47-7,617.78-2,411.13

Finding the Fourth Proportional to 5,077.47, 7,617.78 and 2,411.13

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Solution

The fourth proportional to 5,077.47, 7,617.78 and 2,411.13 is: 3,617.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.47 : 7,617.78 = 2,411.13 : x
  2. Step 2: Convert to fraction form
    5,077.47/7,617.78 = 2,411.13/x
  3. Step 3: Cross multiply
    5,077.47x = 7,617.78 × 2,411.13
  4. Step 4: Simplify right side
    5,077.47x = 18,367,457.89
  5. Step 5: Solve for x
    x = 18,367,457.89/5,077.47
  6. Step 6: Final answer
    x = 3,617.44

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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.