Home / 7,342.04-11,001.60-5,680.28

Finding the Fourth Proportional to 7,342.04, 11,001.60 and 5,680.28

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Solution

The fourth proportional to 7,342.04, 11,001.60 and 5,680.28 is: 8,511.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.04 : 11,001.60 = 5,680.28 : x
  2. Step 2: Convert to fraction form
    7,342.04/11,001.60 = 5,680.28/x
  3. Step 3: Cross multiply
    7,342.04x = 11,001.60 × 5,680.28
  4. Step 4: Simplify right side
    7,342.04x = 62,492,168.45
  5. Step 5: Solve for x
    x = 62,492,168.45/7,342.04
  6. Step 6: Final answer
    x = 8,511.55

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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.