Home / 7,926.55-10,938.71-4,782.13

Finding the Fourth Proportional to 7,926.55, 10,938.71 and 4,782.13

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Solution

The fourth proportional to 7,926.55, 10,938.71 and 4,782.13 is: 6,599.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.55 : 10,938.71 = 4,782.13 : x
  2. Step 2: Convert to fraction form
    7,926.55/10,938.71 = 4,782.13/x
  3. Step 3: Cross multiply
    7,926.55x = 10,938.71 × 4,782.13
  4. Step 4: Simplify right side
    7,926.55x = 52,310,333.25
  5. Step 5: Solve for x
    x = 52,310,333.25/7,926.55
  6. Step 6: Final answer
    x = 6,599.38

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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.