Home / 7,929.95-10,943.29-4,393.15

Finding the Fourth Proportional to 7,929.95, 10,943.29 and 4,393.15

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Solution

The fourth proportional to 7,929.95, 10,943.29 and 4,393.15 is: 6,062.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.95 : 10,943.29 = 4,393.15 : x
  2. Step 2: Convert to fraction form
    7,929.95/10,943.29 = 4,393.15/x
  3. Step 3: Cross multiply
    7,929.95x = 10,943.29 × 4,393.15
  4. Step 4: Simplify right side
    7,929.95x = 48,075,529.44
  5. Step 5: Solve for x
    x = 48,075,529.44/7,929.95
  6. Step 6: Final answer
    x = 6,062.53

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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.