Home / 6,988.39-10,486.11-4,355.24

Finding the Fourth Proportional to 6,988.39, 10,486.11 and 4,355.24

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Solution

The fourth proportional to 6,988.39, 10,486.11 and 4,355.24 is: 6,535.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.39 : 10,486.11 = 4,355.24 : x
  2. Step 2: Convert to fraction form
    6,988.39/10,486.11 = 4,355.24/x
  3. Step 3: Cross multiply
    6,988.39x = 10,486.11 × 4,355.24
  4. Step 4: Simplify right side
    6,988.39x = 45,669,465.12
  5. Step 5: Solve for x
    x = 45,669,465.12/6,988.39
  6. Step 6: Final answer
    x = 6,535.05

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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.