Home / 8,275.15-11,419.77-4,498.32

Finding the Fourth Proportional to 8,275.15, 11,419.77 and 4,498.32

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Solution

The fourth proportional to 8,275.15, 11,419.77 and 4,498.32 is: 6,207.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.15 : 11,419.77 = 4,498.32 : x
  2. Step 2: Convert to fraction form
    8,275.15/11,419.77 = 4,498.32/x
  3. Step 3: Cross multiply
    8,275.15x = 11,419.77 × 4,498.32
  4. Step 4: Simplify right side
    8,275.15x = 51,369,779.79
  5. Step 5: Solve for x
    x = 51,369,779.79/8,275.15
  6. Step 6: Final answer
    x = 6,207.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.