Home / 5,862.40-8,779.20-4,393.60

Finding the Fourth Proportional to 5,862.40, 8,779.20 and 4,393.60

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Solution

The fourth proportional to 5,862.40, 8,779.20 and 4,393.60 is: 6,579.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,862.40 : 8,779.20 = 4,393.60 : x
  2. Step 2: Convert to fraction form
    5,862.40/8,779.20 = 4,393.60/x
  3. Step 3: Cross multiply
    5,862.40x = 8,779.20 × 4,393.60
  4. Step 4: Simplify right side
    5,862.40x = 38,572,293.12
  5. Step 5: Solve for x
    x = 38,572,293.12/5,862.40
  6. Step 6: Final answer
    x = 6,579.61

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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.