Home / 4,510.31-6,220.19-2,831.87

Finding the Fourth Proportional to 4,510.31, 6,220.19 and 2,831.87

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Solution

The fourth proportional to 4,510.31, 6,220.19 and 2,831.87 is: 3,905.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,510.31 : 6,220.19 = 2,831.87 : x
  2. Step 2: Convert to fraction form
    4,510.31/6,220.19 = 2,831.87/x
  3. Step 3: Cross multiply
    4,510.31x = 6,220.19 × 2,831.87
  4. Step 4: Simplify right side
    4,510.31x = 17,614,769.46
  5. Step 5: Solve for x
    x = 17,614,769.46/4,510.31
  6. Step 6: Final answer
    x = 3,905.45

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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.