Home / 7,531.80-11,297.70-5,587.80

Finding the Fourth Proportional to 7,531.80, 11,297.70 and 5,587.80

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Solution

The fourth proportional to 7,531.80, 11,297.70 and 5,587.80 is: 8,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.80 : 11,297.70 = 5,587.80 : x
  2. Step 2: Convert to fraction form
    7,531.80/11,297.70 = 5,587.80/x
  3. Step 3: Cross multiply
    7,531.80x = 11,297.70 × 5,587.80
  4. Step 4: Simplify right side
    7,531.80x = 63,129,288.06
  5. Step 5: Solve for x
    x = 63,129,288.06/7,531.80
  6. Step 6: Final answer
    x = 8,381.70

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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.