Home / 7,905.13-11,864.88-4,210.52

Finding the Fourth Proportional to 7,905.13, 11,864.88 and 4,210.52

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Solution

The fourth proportional to 7,905.13, 11,864.88 and 4,210.52 is: 6,319.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.13 : 11,864.88 = 4,210.52 : x
  2. Step 2: Convert to fraction form
    7,905.13/11,864.88 = 4,210.52/x
  3. Step 3: Cross multiply
    7,905.13x = 11,864.88 × 4,210.52
  4. Step 4: Simplify right side
    7,905.13x = 49,957,255.21
  5. Step 5: Solve for x
    x = 49,957,255.21/7,905.13
  6. Step 6: Final answer
    x = 6,319.60

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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.