Home / 7,130.04-9,842.76-4,144.79

Finding the Fourth Proportional to 7,130.04, 9,842.76 and 4,144.79

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Solution

The fourth proportional to 7,130.04, 9,842.76 and 4,144.79 is: 5,721.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.04 : 9,842.76 = 4,144.79 : x
  2. Step 2: Convert to fraction form
    7,130.04/9,842.76 = 4,144.79/x
  3. Step 3: Cross multiply
    7,130.04x = 9,842.76 × 4,144.79
  4. Step 4: Simplify right side
    7,130.04x = 40,796,124.01
  5. Step 5: Solve for x
    x = 40,796,124.01/7,130.04
  6. Step 6: Final answer
    x = 5,721.72

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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.