Home / 7,542.08-11,307.64-5,070.76

Finding the Fourth Proportional to 7,542.08, 11,307.64 and 5,070.76

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Solution

The fourth proportional to 7,542.08, 11,307.64 and 5,070.76 is: 7,602.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.08 : 11,307.64 = 5,070.76 : x
  2. Step 2: Convert to fraction form
    7,542.08/11,307.64 = 5,070.76/x
  3. Step 3: Cross multiply
    7,542.08x = 11,307.64 × 5,070.76
  4. Step 4: Simplify right side
    7,542.08x = 57,338,328.61
  5. Step 5: Solve for x
    x = 57,338,328.61/7,542.08
  6. Step 6: Final answer
    x = 7,602.46

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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.