Home / 6,513.15-8,988.17-3,528.99

Finding the Fourth Proportional to 6,513.15, 8,988.17 and 3,528.99

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Solution

The fourth proportional to 6,513.15, 8,988.17 and 3,528.99 is: 4,870.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513.15 : 8,988.17 = 3,528.99 : x
  2. Step 2: Convert to fraction form
    6,513.15/8,988.17 = 3,528.99/x
  3. Step 3: Cross multiply
    6,513.15x = 8,988.17 × 3,528.99
  4. Step 4: Simplify right side
    6,513.15x = 31,719,162.05
  5. Step 5: Solve for x
    x = 31,719,162.05/6,513.15
  6. Step 6: Final answer
    x = 4,870.02

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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.