Home / 8,881.16-13,316.84-5,587.21

Finding the Fourth Proportional to 8,881.16, 13,316.84 and 5,587.21

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Solution

The fourth proportional to 8,881.16, 13,316.84 and 5,587.21 is: 8,377.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.16 : 13,316.84 = 5,587.21 : x
  2. Step 2: Convert to fraction form
    8,881.16/13,316.84 = 5,587.21/x
  3. Step 3: Cross multiply
    8,881.16x = 13,316.84 × 5,587.21
  4. Step 4: Simplify right side
    8,881.16x = 74,403,920.39
  5. Step 5: Solve for x
    x = 74,403,920.39/8,881.16
  6. Step 6: Final answer
    x = 8,377.72

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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.