Home / 9,807.28-14,711.83-5,639.22

Finding the Fourth Proportional to 9,807.28, 14,711.83 and 5,639.22

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Solution

The fourth proportional to 9,807.28, 14,711.83 and 5,639.22 is: 8,459.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,807.28 : 14,711.83 = 5,639.22 : x
  2. Step 2: Convert to fraction form
    9,807.28/14,711.83 = 5,639.22/x
  3. Step 3: Cross multiply
    9,807.28x = 14,711.83 × 5,639.22
  4. Step 4: Simplify right side
    9,807.28x = 82,963,231.87
  5. Step 5: Solve for x
    x = 82,963,231.87/9,807.28
  6. Step 6: Final answer
    x = 8,459.35

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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.