Home / 7,319.58-10,953.45-5,665.56

Finding the Fourth Proportional to 7,319.58, 10,953.45 and 5,665.56

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Solution

The fourth proportional to 7,319.58, 10,953.45 and 5,665.56 is: 8,478.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.58 : 10,953.45 = 5,665.56 : x
  2. Step 2: Convert to fraction form
    7,319.58/10,953.45 = 5,665.56/x
  3. Step 3: Cross multiply
    7,319.58x = 10,953.45 × 5,665.56
  4. Step 4: Simplify right side
    7,319.58x = 62,057,428.18
  5. Step 5: Solve for x
    x = 62,057,428.18/7,319.58
  6. Step 6: Final answer
    x = 8,478.28

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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.