Home / 7,847.25-10,837.70-4,870.18

Finding the Fourth Proportional to 7,847.25, 10,837.70 and 4,870.18

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Solution

The fourth proportional to 7,847.25, 10,837.70 and 4,870.18 is: 6,726.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.25 : 10,837.70 = 4,870.18 : x
  2. Step 2: Convert to fraction form
    7,847.25/10,837.70 = 4,870.18/x
  3. Step 3: Cross multiply
    7,847.25x = 10,837.70 × 4,870.18
  4. Step 4: Simplify right side
    7,847.25x = 52,781,549.79
  5. Step 5: Solve for x
    x = 52,781,549.79/7,847.25
  6. Step 6: Final answer
    x = 6,726.12

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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.