Home / 9,210.70-13,820.91-4,280.23

Finding the Fourth Proportional to 9,210.70, 13,820.91 and 4,280.23

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Solution

The fourth proportional to 9,210.70, 13,820.91 and 4,280.23 is: 6,422.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.70 : 13,820.91 = 4,280.23 : x
  2. Step 2: Convert to fraction form
    9,210.70/13,820.91 = 4,280.23/x
  3. Step 3: Cross multiply
    9,210.70x = 13,820.91 × 4,280.23
  4. Step 4: Simplify right side
    9,210.70x = 59,156,673.61
  5. Step 5: Solve for x
    x = 59,156,673.61/9,210.70
  6. Step 6: Final answer
    x = 6,422.60

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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.