Home / 8,347.40-12,521.14-3,417.06

Finding the Fourth Proportional to 8,347.40, 12,521.14 and 3,417.06

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Solution

The fourth proportional to 8,347.40, 12,521.14 and 3,417.06 is: 5,125.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.40 : 12,521.14 = 3,417.06 : x
  2. Step 2: Convert to fraction form
    8,347.40/12,521.14 = 3,417.06/x
  3. Step 3: Cross multiply
    8,347.40x = 12,521.14 × 3,417.06
  4. Step 4: Simplify right side
    8,347.40x = 42,785,486.65
  5. Step 5: Solve for x
    x = 42,785,486.65/8,347.40
  6. Step 6: Final answer
    x = 5,125.61

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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.