Home / 4,445.68-6,666.12-1,325.26

Finding the Fourth Proportional to 4,445.68, 6,666.12 and 1,325.26

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Solution

The fourth proportional to 4,445.68, 6,666.12 and 1,325.26 is: 1,987.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445.68 : 6,666.12 = 1,325.26 : x
  2. Step 2: Convert to fraction form
    4,445.68/6,666.12 = 1,325.26/x
  3. Step 3: Cross multiply
    4,445.68x = 6,666.12 × 1,325.26
  4. Step 4: Simplify right side
    4,445.68x = 8,834,342.19
  5. Step 5: Solve for x
    x = 8,834,342.19/4,445.68
  6. Step 6: Final answer
    x = 1,987.17

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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.