Home / 7,715.39-10,647.35-4,527.93

Finding the Fourth Proportional to 7,715.39, 10,647.35 and 4,527.93

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Solution

The fourth proportional to 7,715.39, 10,647.35 and 4,527.93 is: 6,248.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.39 : 10,647.35 = 4,527.93 : x
  2. Step 2: Convert to fraction form
    7,715.39/10,647.35 = 4,527.93/x
  3. Step 3: Cross multiply
    7,715.39x = 10,647.35 × 4,527.93
  4. Step 4: Simplify right side
    7,715.39x = 48,210,489.75
  5. Step 5: Solve for x
    x = 48,210,489.75/7,715.39
  6. Step 6: Final answer
    x = 6,248.62

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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.