Home / 5,039.36-7,556.06-1,528.30

Finding the Fourth Proportional to 5,039.36, 7,556.06 and 1,528.30

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Solution

The fourth proportional to 5,039.36, 7,556.06 and 1,528.30 is: 2,291.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.36 : 7,556.06 = 1,528.30 : x
  2. Step 2: Convert to fraction form
    5,039.36/7,556.06 = 1,528.30/x
  3. Step 3: Cross multiply
    5,039.36x = 7,556.06 × 1,528.30
  4. Step 4: Simplify right side
    5,039.36x = 11,547,926.50
  5. Step 5: Solve for x
    x = 11,547,926.50/5,039.36
  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.