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Finding the Fourth Proportional to 4,888.02, 7,332.38 and 1,966.34

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Solution

The fourth proportional to 4,888.02, 7,332.38 and 1,966.34 is: 2,949.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.02 : 7,332.38 = 1,966.34 : x
  2. Step 2: Convert to fraction form
    4,888.02/7,332.38 = 1,966.34/x
  3. Step 3: Cross multiply
    4,888.02x = 7,332.38 × 1,966.34
  4. Step 4: Simplify right side
    4,888.02x = 14,417,967.96
  5. Step 5: Solve for x
    x = 14,417,967.96/4,888.02
  6. Step 6: Final answer
    x = 2,949.65

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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.