Home / 7,509.38-10,362.04-4,151.74

Finding the Fourth Proportional to 7,509.38, 10,362.04 and 4,151.74

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Solution

The fourth proportional to 7,509.38, 10,362.04 and 4,151.74 is: 5,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.38 : 10,362.04 = 4,151.74 : x
  2. Step 2: Convert to fraction form
    7,509.38/10,362.04 = 4,151.74/x
  3. Step 3: Cross multiply
    7,509.38x = 10,362.04 × 4,151.74
  4. Step 4: Simplify right side
    7,509.38x = 43,020,495.95
  5. Step 5: Solve for x
    x = 43,020,495.95/7,509.38
  6. Step 6: Final answer
    x = 5,728.90

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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.