Home / 4,345.40-6,518.10-2,617.40

Finding the Fourth Proportional to 4,345.40, 6,518.10 and 2,617.40

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Solution

The fourth proportional to 4,345.40, 6,518.10 and 2,617.40 is: 3,926.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.40 : 6,518.10 = 2,617.40 : x
  2. Step 2: Convert to fraction form
    4,345.40/6,518.10 = 2,617.40/x
  3. Step 3: Cross multiply
    4,345.40x = 6,518.10 × 2,617.40
  4. Step 4: Simplify right side
    4,345.40x = 17,060,474.94
  5. Step 5: Solve for x
    x = 17,060,474.94/4,345.40
  6. Step 6: Final answer
    x = 3,926.10

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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.