Home / 5,526.60-8,290.02-1,422.60

Finding the Fourth Proportional to 5,526.60, 8,290.02 and 1,422.60

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Solution

The fourth proportional to 5,526.60, 8,290.02 and 1,422.60 is: 2,133.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,526.60 : 8,290.02 = 1,422.60 : x
  2. Step 2: Convert to fraction form
    5,526.60/8,290.02 = 1,422.60/x
  3. Step 3: Cross multiply
    5,526.60x = 8,290.02 × 1,422.60
  4. Step 4: Simplify right side
    5,526.60x = 11,793,382.45
  5. Step 5: Solve for x
    x = 11,793,382.45/5,526.60
  6. Step 6: Final answer
    x = 2,133.93

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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.