Home / 7,035.87-10,549.91-2,878.80

Finding the Fourth Proportional to 7,035.87, 10,549.91 and 2,878.80

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Solution

The fourth proportional to 7,035.87, 10,549.91 and 2,878.80 is: 4,316.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,035.87 : 10,549.91 = 2,878.80 : x
  2. Step 2: Convert to fraction form
    7,035.87/10,549.91 = 2,878.80/x
  3. Step 3: Cross multiply
    7,035.87x = 10,549.91 × 2,878.80
  4. Step 4: Simplify right side
    7,035.87x = 30,371,013.76
  5. Step 5: Solve for x
    x = 30,371,013.76/7,035.87
  6. Step 6: Final answer
    x = 4,316.60

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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.