Home / 6,210.20-8,569.96-3,415.64

Finding the Fourth Proportional to 6,210.20, 8,569.96 and 3,415.64

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Solution

The fourth proportional to 6,210.20, 8,569.96 and 3,415.64 is: 4,713.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,210.20 : 8,569.96 = 3,415.64 : x
  2. Step 2: Convert to fraction form
    6,210.20/8,569.96 = 3,415.64/x
  3. Step 3: Cross multiply
    6,210.20x = 8,569.96 × 3,415.64
  4. Step 4: Simplify right side
    6,210.20x = 29,271,898.17
  5. Step 5: Solve for x
    x = 29,271,898.17/6,210.20
  6. Step 6: Final answer
    x = 4,713.52

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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.