Home / 7,901.80-10,904.20-4,316.76

Finding the Fourth Proportional to 7,901.80, 10,904.20 and 4,316.76

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Solution

The fourth proportional to 7,901.80, 10,904.20 and 4,316.76 is: 5,956.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.80 : 10,904.20 = 4,316.76 : x
  2. Step 2: Convert to fraction form
    7,901.80/10,904.20 = 4,316.76/x
  3. Step 3: Cross multiply
    7,901.80x = 10,904.20 × 4,316.76
  4. Step 4: Simplify right side
    7,901.80x = 47,070,814.39
  5. Step 5: Solve for x
    x = 47,070,814.39/7,901.80
  6. Step 6: Final answer
    x = 5,956.97

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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.