Home / 4,293.84-6,440.16-1,372.40

Finding the Fourth Proportional to 4,293.84, 6,440.16 and 1,372.40

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Solution

The fourth proportional to 4,293.84, 6,440.16 and 1,372.40 is: 2,058.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,293.84 : 6,440.16 = 1,372.40 : x
  2. Step 2: Convert to fraction form
    4,293.84/6,440.16 = 1,372.40/x
  3. Step 3: Cross multiply
    4,293.84x = 6,440.16 × 1,372.40
  4. Step 4: Simplify right side
    4,293.84x = 8,838,475.58
  5. Step 5: Solve for x
    x = 8,838,475.58/4,293.84
  6. Step 6: Final answer
    x = 2,058.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.