Home / 7,539.08-11,309.65-2,607.40

Finding the Fourth Proportional to 7,539.08, 11,309.65 and 2,607.40

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Solution

The fourth proportional to 7,539.08, 11,309.65 and 2,607.40 is: 3,911.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.08 : 11,309.65 = 2,607.40 : x
  2. Step 2: Convert to fraction form
    7,539.08/11,309.65 = 2,607.40/x
  3. Step 3: Cross multiply
    7,539.08x = 11,309.65 × 2,607.40
  4. Step 4: Simplify right side
    7,539.08x = 29,488,711.82
  5. Step 5: Solve for x
    x = 29,488,711.82/7,539.08
  6. Step 6: Final answer
    x = 3,911.45

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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.