Home / 7,117.84-10,614.02-6,625.36

Finding the Fourth Proportional to 7,117.84, 10,614.02 and 6,625.36

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Solution

The fourth proportional to 7,117.84, 10,614.02 and 6,625.36 is: 9,879.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.84 : 10,614.02 = 6,625.36 : x
  2. Step 2: Convert to fraction form
    7,117.84/10,614.02 = 6,625.36/x
  3. Step 3: Cross multiply
    7,117.84x = 10,614.02 × 6,625.36
  4. Step 4: Simplify right side
    7,117.84x = 70,321,703.55
  5. Step 5: Solve for x
    x = 70,321,703.55/7,117.84
  6. Step 6: Final answer
    x = 9,879.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.