Home / 7,309.80-10,087.61-4,437.70

Finding the Fourth Proportional to 7,309.80, 10,087.61 and 4,437.70

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Solution

The fourth proportional to 7,309.80, 10,087.61 and 4,437.70 is: 6,124.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309.80 : 10,087.61 = 4,437.70 : x
  2. Step 2: Convert to fraction form
    7,309.80/10,087.61 = 4,437.70/x
  3. Step 3: Cross multiply
    7,309.80x = 10,087.61 × 4,437.70
  4. Step 4: Simplify right side
    7,309.80x = 44,765,823.04
  5. Step 5: Solve for x
    x = 44,765,823.04/7,309.80
  6. Step 6: Final answer
    x = 6,124.08

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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.