Home / 6,977.75-10,447.90-5,870.58

Finding the Fourth Proportional to 6,977.75, 10,447.90 and 5,870.58

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Solution

The fourth proportional to 6,977.75, 10,447.90 and 5,870.58 is: 8,790.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.75 : 10,447.90 = 5,870.58 : x
  2. Step 2: Convert to fraction form
    6,977.75/10,447.90 = 5,870.58/x
  3. Step 3: Cross multiply
    6,977.75x = 10,447.90 × 5,870.58
  4. Step 4: Simplify right side
    6,977.75x = 61,335,187.18
  5. Step 5: Solve for x
    x = 61,335,187.18/6,977.75
  6. Step 6: Final answer
    x = 8,790.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.