Home / 6,210.12-8,569.68-3,557.28

Finding the Fourth Proportional to 6,210.12, 8,569.68 and 3,557.28

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Solution

The fourth proportional to 6,210.12, 8,569.68 and 3,557.28 is: 4,908.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,210.12 : 8,569.68 = 3,557.28 : x
  2. Step 2: Convert to fraction form
    6,210.12/8,569.68 = 3,557.28/x
  3. Step 3: Cross multiply
    6,210.12x = 8,569.68 × 3,557.28
  4. Step 4: Simplify right side
    6,210.12x = 30,484,751.27
  5. Step 5: Solve for x
    x = 30,484,751.27/6,210.12
  6. Step 6: Final answer
    x = 4,908.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.