Home / 7,047.28-9,725.44-4,393.20

Finding the Fourth Proportional to 7,047.28, 9,725.44 and 4,393.20

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Solution

The fourth proportional to 7,047.28, 9,725.44 and 4,393.20 is: 6,062.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047.28 : 9,725.44 = 4,393.20 : x
  2. Step 2: Convert to fraction form
    7,047.28/9,725.44 = 4,393.20/x
  3. Step 3: Cross multiply
    7,047.28x = 9,725.44 × 4,393.20
  4. Step 4: Simplify right side
    7,047.28x = 42,725,803.01
  5. Step 5: Solve for x
    x = 42,725,803.01/7,047.28
  6. Step 6: Final answer
    x = 6,062.74

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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.