Home / 6,988.16-10,485.76-4,649.72

Finding the Fourth Proportional to 6,988.16, 10,485.76 and 4,649.72

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Solution

The fourth proportional to 6,988.16, 10,485.76 and 4,649.72 is: 6,976.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.16 : 10,485.76 = 4,649.72 : x
  2. Step 2: Convert to fraction form
    6,988.16/10,485.76 = 4,649.72/x
  3. Step 3: Cross multiply
    6,988.16x = 10,485.76 × 4,649.72
  4. Step 4: Simplify right side
    6,988.16x = 48,755,847.99
  5. Step 5: Solve for x
    x = 48,755,847.99/6,988.16
  6. Step 6: Final answer
    x = 6,976.92

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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.