Home / 6,345.07-8,756.30-3,692.42

Finding the Fourth Proportional to 6,345.07, 8,756.30 and 3,692.42

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Solution

The fourth proportional to 6,345.07, 8,756.30 and 3,692.42 is: 5,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.07 : 8,756.30 = 3,692.42 : x
  2. Step 2: Convert to fraction form
    6,345.07/8,756.30 = 3,692.42/x
  3. Step 3: Cross multiply
    6,345.07x = 8,756.30 × 3,692.42
  4. Step 4: Simplify right side
    6,345.07x = 32,331,935.53
  5. Step 5: Solve for x
    x = 32,331,935.53/6,345.07
  6. Step 6: Final answer
    x = 5,095.60

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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.