Home / 6,445.68-8,897.76-4,352.64

Finding the Fourth Proportional to 6,445.68, 8,897.76 and 4,352.64

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Solution

The fourth proportional to 6,445.68, 8,897.76 and 4,352.64 is: 6,008.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.68 : 8,897.76 = 4,352.64 : x
  2. Step 2: Convert to fraction form
    6,445.68/8,897.76 = 4,352.64/x
  3. Step 3: Cross multiply
    6,445.68x = 8,897.76 × 4,352.64
  4. Step 4: Simplify right side
    6,445.68x = 38,728,746.09
  5. Step 5: Solve for x
    x = 38,728,746.09/6,445.68
  6. Step 6: Final answer
    x = 6,008.48

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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.