Home / 7,883.04-10,868.49-6,461.58

Finding the Fourth Proportional to 7,883.04, 10,868.49 and 6,461.58

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Solution

The fourth proportional to 7,883.04, 10,868.49 and 6,461.58 is: 8,908.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883.04 : 10,868.49 = 6,461.58 : x
  2. Step 2: Convert to fraction form
    7,883.04/10,868.49 = 6,461.58/x
  3. Step 3: Cross multiply
    7,883.04x = 10,868.49 × 6,461.58
  4. Step 4: Simplify right side
    7,883.04x = 70,227,617.61
  5. Step 5: Solve for x
    x = 70,227,617.61/7,883.04
  6. Step 6: Final answer
    x = 8,908.70

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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.