Home / 4,853.40-7,263.90-4,270.20

Finding the Fourth Proportional to 4,853.40, 7,263.90 and 4,270.20

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Solution

The fourth proportional to 4,853.40, 7,263.90 and 4,270.20 is: 6,391.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,853.40 : 7,263.90 = 4,270.20 : x
  2. Step 2: Convert to fraction form
    4,853.40/7,263.90 = 4,270.20/x
  3. Step 3: Cross multiply
    4,853.40x = 7,263.90 × 4,270.20
  4. Step 4: Simplify right side
    4,853.40x = 31,018,305.78
  5. Step 5: Solve for x
    x = 31,018,305.78/4,853.40
  6. Step 6: Final answer
    x = 6,391.05

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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.