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Finding the Fourth Proportional to 7,585.78, 10,468.12 and 4,754.67

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Solution

The fourth proportional to 7,585.78, 10,468.12 and 4,754.67 is: 6,561.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,585.78 : 10,468.12 = 4,754.67 : x
  2. Step 2: Convert to fraction form
    7,585.78/10,468.12 = 4,754.67/x
  3. Step 3: Cross multiply
    7,585.78x = 10,468.12 × 4,754.67
  4. Step 4: Simplify right side
    7,585.78x = 49,772,522.28
  5. Step 5: Solve for x
    x = 49,772,522.28/7,585.78
  6. Step 6: Final answer
    x = 6,561.30

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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.