Home / 5,377.32-7,403.76-4,885.20

Finding the Fourth Proportional to 5,377.32, 7,403.76 and 4,885.20

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Solution

The fourth proportional to 5,377.32, 7,403.76 and 4,885.20 is: 6,726.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.32 : 7,403.76 = 4,885.20 : x
  2. Step 2: Convert to fraction form
    5,377.32/7,403.76 = 4,885.20/x
  3. Step 3: Cross multiply
    5,377.32x = 7,403.76 × 4,885.20
  4. Step 4: Simplify right side
    5,377.32x = 36,168,848.35
  5. Step 5: Solve for x
    x = 36,168,848.35/5,377.32
  6. Step 6: Final answer
    x = 6,726.18

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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.