Home / 5,288.81-7,281.91-4,490.55

Finding the Fourth Proportional to 5,288.81, 7,281.91 and 4,490.55

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Solution

The fourth proportional to 5,288.81, 7,281.91 and 4,490.55 is: 6,182.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.81 : 7,281.91 = 4,490.55 : x
  2. Step 2: Convert to fraction form
    5,288.81/7,281.91 = 4,490.55/x
  3. Step 3: Cross multiply
    5,288.81x = 7,281.91 × 4,490.55
  4. Step 4: Simplify right side
    5,288.81x = 32,699,787.93
  5. Step 5: Solve for x
    x = 32,699,787.93/5,288.81
  6. Step 6: Final answer
    x = 6,182.83

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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.