Home / 4,281.40-6,389.27-3,302.20

Finding the Fourth Proportional to 4,281.40, 6,389.27 and 3,302.20

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Solution

The fourth proportional to 4,281.40, 6,389.27 and 3,302.20 is: 4,927.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.40 : 6,389.27 = 3,302.20 : x
  2. Step 2: Convert to fraction form
    4,281.40/6,389.27 = 3,302.20/x
  3. Step 3: Cross multiply
    4,281.40x = 6,389.27 × 3,302.20
  4. Step 4: Simplify right side
    4,281.40x = 21,098,647.39
  5. Step 5: Solve for x
    x = 21,098,647.39/4,281.40
  6. Step 6: Final answer
    x = 4,927.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.