Home / 5,555.76-8,333.61-1,660.02

Finding the Fourth Proportional to 5,555.76, 8,333.61 and 1,660.02

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Solution

The fourth proportional to 5,555.76, 8,333.61 and 1,660.02 is: 2,490.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.76 : 8,333.61 = 1,660.02 : x
  2. Step 2: Convert to fraction form
    5,555.76/8,333.61 = 1,660.02/x
  3. Step 3: Cross multiply
    5,555.76x = 8,333.61 × 1,660.02
  4. Step 4: Simplify right side
    5,555.76x = 13,833,959.27
  5. Step 5: Solve for x
    x = 13,833,959.27/5,555.76
  6. Step 6: Final answer
    x = 2,490.02

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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.