Home / 7,941.51-10,961.43-4,955.55

Finding the Fourth Proportional to 7,941.51, 10,961.43 and 4,955.55

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Solution

The fourth proportional to 7,941.51, 10,961.43 and 4,955.55 is: 6,839.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.51 : 10,961.43 = 4,955.55 : x
  2. Step 2: Convert to fraction form
    7,941.51/10,961.43 = 4,955.55/x
  3. Step 3: Cross multiply
    7,941.51x = 10,961.43 × 4,955.55
  4. Step 4: Simplify right side
    7,941.51x = 54,319,854.75
  5. Step 5: Solve for x
    x = 54,319,854.75/7,941.51
  6. Step 6: Final answer
    x = 6,839.99

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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.