Home / 5,557.34-8,335.02-1,660.80

Finding the Fourth Proportional to 5,557.34, 8,335.02 and 1,660.80

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Solution

The fourth proportional to 5,557.34, 8,335.02 and 1,660.80 is: 2,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.34 : 8,335.02 = 1,660.80 : x
  2. Step 2: Convert to fraction form
    5,557.34/8,335.02 = 1,660.80/x
  3. Step 3: Cross multiply
    5,557.34x = 8,335.02 × 1,660.80
  4. Step 4: Simplify right side
    5,557.34x = 13,842,801.22
  5. Step 5: Solve for x
    x = 13,842,801.22/5,557.34
  6. Step 6: Final answer
    x = 2,490.90

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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.