Home / 7,928.15-10,940.82-4,570.95

Finding the Fourth Proportional to 7,928.15, 10,940.82 and 4,570.95

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Solution

The fourth proportional to 7,928.15, 10,940.82 and 4,570.95 is: 6,307.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.15 : 10,940.82 = 4,570.95 : x
  2. Step 2: Convert to fraction form
    7,928.15/10,940.82 = 4,570.95/x
  3. Step 3: Cross multiply
    7,928.15x = 10,940.82 × 4,570.95
  4. Step 4: Simplify right side
    7,928.15x = 50,009,941.18
  5. Step 5: Solve for x
    x = 50,009,941.18/7,928.15
  6. Step 6: Final answer
    x = 6,307.90

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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.