Home / 5,288.49-7,281.51-4,490.15

Finding the Fourth Proportional to 5,288.49, 7,281.51 and 4,490.15

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Solution

The fourth proportional to 5,288.49, 7,281.51 and 4,490.15 is: 6,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.49 : 7,281.51 = 4,490.15 : x
  2. Step 2: Convert to fraction form
    5,288.49/7,281.51 = 4,490.15/x
  3. Step 3: Cross multiply
    5,288.49x = 7,281.51 × 4,490.15
  4. Step 4: Simplify right side
    5,288.49x = 32,695,035.72
  5. Step 5: Solve for x
    x = 32,695,035.72/5,288.49
  6. Step 6: Final answer
    x = 6,182.30

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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.