Home / 5,039.35-7,556.07-1,528.30

Finding the Fourth Proportional to 5,039.35, 7,556.07 and 1,528.30

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Solution

The fourth proportional to 5,039.35, 7,556.07 and 1,528.30 is: 2,291.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.35 : 7,556.07 = 1,528.30 : x
  2. Step 2: Convert to fraction form
    5,039.35/7,556.07 = 1,528.30/x
  3. Step 3: Cross multiply
    5,039.35x = 7,556.07 × 1,528.30
  4. Step 4: Simplify right side
    5,039.35x = 11,547,941.78
  5. Step 5: Solve for x
    x = 11,547,941.78/5,039.35
  6. Step 6: Final answer
    x = 2,291.55

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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.