Home / 5,330.09-7,355.63-3,061.65

Finding the Fourth Proportional to 5,330.09, 7,355.63 and 3,061.65

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Solution

The fourth proportional to 5,330.09, 7,355.63 and 3,061.65 is: 4,225.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.09 : 7,355.63 = 3,061.65 : x
  2. Step 2: Convert to fraction form
    5,330.09/7,355.63 = 3,061.65/x
  3. Step 3: Cross multiply
    5,330.09x = 7,355.63 × 3,061.65
  4. Step 4: Simplify right side
    5,330.09x = 22,520,349.28
  5. Step 5: Solve for x
    x = 22,520,349.28/5,330.09
  6. Step 6: Final answer
    x = 4,225.14

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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.