Home / 7,564.12-10,439.58-4,539.38

Finding the Fourth Proportional to 7,564.12, 10,439.58 and 4,539.38

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Solution

The fourth proportional to 7,564.12, 10,439.58 and 4,539.38 is: 6,265.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,564.12 : 10,439.58 = 4,539.38 : x
  2. Step 2: Convert to fraction form
    7,564.12/10,439.58 = 4,539.38/x
  3. Step 3: Cross multiply
    7,564.12x = 10,439.58 × 4,539.38
  4. Step 4: Simplify right side
    7,564.12x = 47,389,194.56
  5. Step 5: Solve for x
    x = 47,389,194.56/7,564.12
  6. Step 6: Final answer
    x = 6,265.00

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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.