Home / 8,357.90-12,530.70-5,070.38

Finding the Fourth Proportional to 8,357.90, 12,530.70 and 5,070.38

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Solution

The fourth proportional to 8,357.90, 12,530.70 and 5,070.38 is: 7,601.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357.90 : 12,530.70 = 5,070.38 : x
  2. Step 2: Convert to fraction form
    8,357.90/12,530.70 = 5,070.38/x
  3. Step 3: Cross multiply
    8,357.90x = 12,530.70 × 5,070.38
  4. Step 4: Simplify right side
    8,357.90x = 63,535,410.67
  5. Step 5: Solve for x
    x = 63,535,410.67/8,357.90
  6. Step 6: Final answer
    x = 7,601.84

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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.