Home / 7,132.75-9,838.51-4,298.20

Finding the Fourth Proportional to 7,132.75, 9,838.51 and 4,298.20

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Solution

The fourth proportional to 7,132.75, 9,838.51 and 4,298.20 is: 5,928.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.75 : 9,838.51 = 4,298.20 : x
  2. Step 2: Convert to fraction form
    7,132.75/9,838.51 = 4,298.20/x
  3. Step 3: Cross multiply
    7,132.75x = 9,838.51 × 4,298.20
  4. Step 4: Simplify right side
    7,132.75x = 42,287,848.34
  5. Step 5: Solve for x
    x = 42,287,848.34/7,132.75
  6. Step 6: Final answer
    x = 5,928.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.