Home / 4,888.10-7,330.80-1,966.70

Finding the Fourth Proportional to 4,888.10, 7,330.80 and 1,966.70

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Solution

The fourth proportional to 4,888.10, 7,330.80 and 1,966.70 is: 2,949.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.10 : 7,330.80 = 1,966.70 : x
  2. Step 2: Convert to fraction form
    4,888.10/7,330.80 = 1,966.70/x
  3. Step 3: Cross multiply
    4,888.10x = 7,330.80 × 1,966.70
  4. Step 4: Simplify right side
    4,888.10x = 14,417,484.36
  5. Step 5: Solve for x
    x = 14,417,484.36/4,888.10
  6. Step 6: Final answer
    x = 2,949.51

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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.