Home / 7,521.91-10,384.53-5,007.49

Finding the Fourth Proportional to 7,521.91, 10,384.53 and 5,007.49

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Solution

The fourth proportional to 7,521.91, 10,384.53 and 5,007.49 is: 6,913.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.91 : 10,384.53 = 5,007.49 : x
  2. Step 2: Convert to fraction form
    7,521.91/10,384.53 = 5,007.49/x
  3. Step 3: Cross multiply
    7,521.91x = 10,384.53 × 5,007.49
  4. Step 4: Simplify right side
    7,521.91x = 52,000,430.13
  5. Step 5: Solve for x
    x = 52,000,430.13/7,521.91
  6. Step 6: Final answer
    x = 6,913.19

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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.