Home / 7,590.32-11,386.85-3,432.29

Finding the Fourth Proportional to 7,590.32, 11,386.85 and 3,432.29

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Solution

The fourth proportional to 7,590.32, 11,386.85 and 3,432.29 is: 5,149.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,590.32 : 11,386.85 = 3,432.29 : x
  2. Step 2: Convert to fraction form
    7,590.32/11,386.85 = 3,432.29/x
  3. Step 3: Cross multiply
    7,590.32x = 11,386.85 × 3,432.29
  4. Step 4: Simplify right side
    7,590.32x = 39,082,951.50
  5. Step 5: Solve for x
    x = 39,082,951.50/7,590.32
  6. Step 6: Final answer
    x = 5,149.05

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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.