Home / 5,973.28-8,242.08-4,086.40

Finding the Fourth Proportional to 5,973.28, 8,242.08 and 4,086.40

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Solution

The fourth proportional to 5,973.28, 8,242.08 and 4,086.40 is: 5,638.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,973.28 : 8,242.08 = 4,086.40 : x
  2. Step 2: Convert to fraction form
    5,973.28/8,242.08 = 4,086.40/x
  3. Step 3: Cross multiply
    5,973.28x = 8,242.08 × 4,086.40
  4. Step 4: Simplify right side
    5,973.28x = 33,680,435.71
  5. Step 5: Solve for x
    x = 33,680,435.71/5,973.28
  6. Step 6: Final answer
    x = 5,638.52

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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.