Home / 9,378.39-14,071.23-3,539.10

Finding the Fourth Proportional to 9,378.39, 14,071.23 and 3,539.10

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Solution

The fourth proportional to 9,378.39, 14,071.23 and 3,539.10 is: 5,310.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378.39 : 14,071.23 = 3,539.10 : x
  2. Step 2: Convert to fraction form
    9,378.39/14,071.23 = 3,539.10/x
  3. Step 3: Cross multiply
    9,378.39x = 14,071.23 × 3,539.10
  4. Step 4: Simplify right side
    9,378.39x = 49,799,463.71
  5. Step 5: Solve for x
    x = 49,799,463.71/9,378.39
  6. Step 6: Final answer
    x = 5,310.02

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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.