Home / 7,787.26-10,744.95-4,643.74

Finding the Fourth Proportional to 7,787.26, 10,744.95 and 4,643.74

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Solution

The fourth proportional to 7,787.26, 10,744.95 and 4,643.74 is: 6,407.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.26 : 10,744.95 = 4,643.74 : x
  2. Step 2: Convert to fraction form
    7,787.26/10,744.95 = 4,643.74/x
  3. Step 3: Cross multiply
    7,787.26x = 10,744.95 × 4,643.74
  4. Step 4: Simplify right side
    7,787.26x = 49,896,754.11
  5. Step 5: Solve for x
    x = 49,896,754.11/7,787.26
  6. Step 6: Final answer
    x = 6,407.49

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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.