Home / 7,868.02-10,856.59-5,037.88

Finding the Fourth Proportional to 7,868.02, 10,856.59 and 5,037.88

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Solution

The fourth proportional to 7,868.02, 10,856.59 and 5,037.88 is: 6,951.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.02 : 10,856.59 = 5,037.88 : x
  2. Step 2: Convert to fraction form
    7,868.02/10,856.59 = 5,037.88/x
  3. Step 3: Cross multiply
    7,868.02x = 10,856.59 × 5,037.88
  4. Step 4: Simplify right side
    7,868.02x = 54,694,197.63
  5. Step 5: Solve for x
    x = 54,694,197.63/7,868.02
  6. Step 6: Final answer
    x = 6,951.46

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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.