Home / 5,306.32-7,320.54-3,417.58

Finding the Fourth Proportional to 5,306.32, 7,320.54 and 3,417.58

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Solution

The fourth proportional to 5,306.32, 7,320.54 and 3,417.58 is: 4,714.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.32 : 7,320.54 = 3,417.58 : x
  2. Step 2: Convert to fraction form
    5,306.32/7,320.54 = 3,417.58/x
  3. Step 3: Cross multiply
    5,306.32x = 7,320.54 × 3,417.58
  4. Step 4: Simplify right side
    5,306.32x = 25,018,531.09
  5. Step 5: Solve for x
    x = 25,018,531.09/5,306.32
  6. Step 6: Final answer
    x = 4,714.86

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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.