Home / 7,403.59-11,051.37-6,469.40

Finding the Fourth Proportional to 7,403.59, 11,051.37 and 6,469.40

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Solution

The fourth proportional to 7,403.59, 11,051.37 and 6,469.40 is: 9,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.59 : 11,051.37 = 6,469.40 : x
  2. Step 2: Convert to fraction form
    7,403.59/11,051.37 = 6,469.40/x
  3. Step 3: Cross multiply
    7,403.59x = 11,051.37 × 6,469.40
  4. Step 4: Simplify right side
    7,403.59x = 71,495,733.08
  5. Step 5: Solve for x
    x = 71,495,733.08/7,403.59
  6. Step 6: Final answer
    x = 9,656.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.