Home / 7,868.04-10,857.92-4,511.05

Finding the Fourth Proportional to 7,868.04, 10,857.92 and 4,511.05

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Solution

The fourth proportional to 7,868.04, 10,857.92 and 4,511.05 is: 6,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.04 : 10,857.92 = 4,511.05 : x
  2. Step 2: Convert to fraction form
    7,868.04/10,857.92 = 4,511.05/x
  3. Step 3: Cross multiply
    7,868.04x = 10,857.92 × 4,511.05
  4. Step 4: Simplify right side
    7,868.04x = 48,980,620.02
  5. Step 5: Solve for x
    x = 48,980,620.02/7,868.04
  6. Step 6: Final answer
    x = 6,225.26

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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.