Home / 5,017.52-6,923.36-2,921.28

Finding the Fourth Proportional to 5,017.52, 6,923.36 and 2,921.28

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Solution

The fourth proportional to 5,017.52, 6,923.36 and 2,921.28 is: 4,030.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,017.52 : 6,923.36 = 2,921.28 : x
  2. Step 2: Convert to fraction form
    5,017.52/6,923.36 = 2,921.28/x
  3. Step 3: Cross multiply
    5,017.52x = 6,923.36 × 2,921.28
  4. Step 4: Simplify right side
    5,017.52x = 20,225,073.10
  5. Step 5: Solve for x
    x = 20,225,073.10/5,017.52
  6. Step 6: Final answer
    x = 4,030.89

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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.