Home / 5,031.12-7,547.48-1,745.20

Finding the Fourth Proportional to 5,031.12, 7,547.48 and 1,745.20

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Solution

The fourth proportional to 5,031.12, 7,547.48 and 1,745.20 is: 2,618.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.12 : 7,547.48 = 1,745.20 : x
  2. Step 2: Convert to fraction form
    5,031.12/7,547.48 = 1,745.20/x
  3. Step 3: Cross multiply
    5,031.12x = 7,547.48 × 1,745.20
  4. Step 4: Simplify right side
    5,031.12x = 13,171,862.10
  5. Step 5: Solve for x
    x = 13,171,862.10/5,031.12
  6. Step 6: Final answer
    x = 2,618.08

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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.