Home / 6,854.62-9,459.33-3,870.43

Finding the Fourth Proportional to 6,854.62, 9,459.33 and 3,870.43

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Solution

The fourth proportional to 6,854.62, 9,459.33 and 3,870.43 is: 5,341.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,854.62 : 9,459.33 = 3,870.43 : x
  2. Step 2: Convert to fraction form
    6,854.62/9,459.33 = 3,870.43/x
  3. Step 3: Cross multiply
    6,854.62x = 9,459.33 × 3,870.43
  4. Step 4: Simplify right side
    6,854.62x = 36,611,674.61
  5. Step 5: Solve for x
    x = 36,611,674.61/6,854.62
  6. Step 6: Final answer
    x = 5,341.17

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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.