Home / 5,470.79-7,549.63-3,112.93

Finding the Fourth Proportional to 5,470.79, 7,549.63 and 3,112.93

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Solution

The fourth proportional to 5,470.79, 7,549.63 and 3,112.93 is: 4,295.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.79 : 7,549.63 = 3,112.93 : x
  2. Step 2: Convert to fraction form
    5,470.79/7,549.63 = 3,112.93/x
  3. Step 3: Cross multiply
    5,470.79x = 7,549.63 × 3,112.93
  4. Step 4: Simplify right side
    5,470.79x = 23,501,443.06
  5. Step 5: Solve for x
    x = 23,501,443.06/5,470.79
  6. Step 6: Final answer
    x = 4,295.80

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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.