Home / 7,700.10-10,622.36-4,866.12

Finding the Fourth Proportional to 7,700.10, 10,622.36 and 4,866.12

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Solution

The fourth proportional to 7,700.10, 10,622.36 and 4,866.12 is: 6,712.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,700.10 : 10,622.36 = 4,866.12 : x
  2. Step 2: Convert to fraction form
    7,700.10/10,622.36 = 4,866.12/x
  3. Step 3: Cross multiply
    7,700.10x = 10,622.36 × 4,866.12
  4. Step 4: Simplify right side
    7,700.10x = 51,689,654.11
  5. Step 5: Solve for x
    x = 51,689,654.11/7,700.10
  6. Step 6: Final answer
    x = 6,712.85

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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.