Home / 9,210.95-13,819.84-5,515.77

Finding the Fourth Proportional to 9,210.95, 13,819.84 and 5,515.77

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Solution

The fourth proportional to 9,210.95, 13,819.84 and 5,515.77 is: 8,275.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.95 : 13,819.84 = 5,515.77 : x
  2. Step 2: Convert to fraction form
    9,210.95/13,819.84 = 5,515.77/x
  3. Step 3: Cross multiply
    9,210.95x = 13,819.84 × 5,515.77
  4. Step 4: Simplify right side
    9,210.95x = 76,227,058.88
  5. Step 5: Solve for x
    x = 76,227,058.88/9,210.95
  6. Step 6: Final answer
    x = 8,275.70

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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.