Home / 5,938.48-8,904.72-1,988.32

Finding the Fourth Proportional to 5,938.48, 8,904.72 and 1,988.32

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Solution

The fourth proportional to 5,938.48, 8,904.72 and 1,988.32 is: 2,981.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.48 : 8,904.72 = 1,988.32 : x
  2. Step 2: Convert to fraction form
    5,938.48/8,904.72 = 1,988.32/x
  3. Step 3: Cross multiply
    5,938.48x = 8,904.72 × 1,988.32
  4. Step 4: Simplify right side
    5,938.48x = 17,705,432.87
  5. Step 5: Solve for x
    x = 17,705,432.87/5,938.48
  6. Step 6: Final answer
    x = 2,981.48

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Similar ratio
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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.