Home / 4,300.05-6,448.99-1,666.65

Finding the Fourth Proportional to 4,300.05, 6,448.99 and 1,666.65

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Solution

The fourth proportional to 4,300.05, 6,448.99 and 1,666.65 is: 2,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,300.05 : 6,448.99 = 1,666.65 : x
  2. Step 2: Convert to fraction form
    4,300.05/6,448.99 = 1,666.65/x
  3. Step 3: Cross multiply
    4,300.05x = 6,448.99 × 1,666.65
  4. Step 4: Simplify right side
    4,300.05x = 10,748,209.18
  5. Step 5: Solve for x
    x = 10,748,209.18/4,300.05
  6. Step 6: Final answer
    x = 2,499.55

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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.