Home / 7,035.39-10,549.19-2,878.32

Finding the Fourth Proportional to 7,035.39, 10,549.19 and 2,878.32

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Solution

The fourth proportional to 7,035.39, 10,549.19 and 2,878.32 is: 4,315.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,035.39 : 10,549.19 = 2,878.32 : x
  2. Step 2: Convert to fraction form
    7,035.39/10,549.19 = 2,878.32/x
  3. Step 3: Cross multiply
    7,035.39x = 10,549.19 × 2,878.32
  4. Step 4: Simplify right side
    7,035.39x = 30,363,944.56
  5. Step 5: Solve for x
    x = 30,363,944.56/7,035.39
  6. Step 6: Final answer
    x = 4,315.89

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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.