Home / 7,035.65-10,549.57-2,878.57

Finding the Fourth Proportional to 7,035.65, 10,549.57 and 2,878.57

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Solution

The fourth proportional to 7,035.65, 10,549.57 and 2,878.57 is: 4,316.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,035.65 : 10,549.57 = 2,878.57 : x
  2. Step 2: Convert to fraction form
    7,035.65/10,549.57 = 2,878.57/x
  3. Step 3: Cross multiply
    7,035.65x = 10,549.57 × 2,878.57
  4. Step 4: Simplify right side
    7,035.65x = 30,367,675.71
  5. Step 5: Solve for x
    x = 30,367,675.71/7,035.65
  6. Step 6: Final answer
    x = 4,316.26

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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.