Home / 6,988.65-10,480.74-2,307.78

Finding the Fourth Proportional to 6,988.65, 10,480.74 and 2,307.78

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Solution

The fourth proportional to 6,988.65, 10,480.74 and 2,307.78 is: 3,460.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.65 : 10,480.74 = 2,307.78 : x
  2. Step 2: Convert to fraction form
    6,988.65/10,480.74 = 2,307.78/x
  3. Step 3: Cross multiply
    6,988.65x = 10,480.74 × 2,307.78
  4. Step 4: Simplify right side
    6,988.65x = 24,187,242.16
  5. Step 5: Solve for x
    x = 24,187,242.16/6,988.65
  6. Step 6: Final answer
    x = 3,460.93

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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.