Home / 3,013.07-4,518.99-875.30

Finding the Fourth Proportional to 3,013.07, 4,518.99 and 875.30

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Solution

The fourth proportional to 3,013.07, 4,518.99 and 875.30 is: 1,312.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.07 : 4,518.99 = 875.30 : x
  2. Step 2: Convert to fraction form
    3,013.07/4,518.99 = 875.30/x
  3. Step 3: Cross multiply
    3,013.07x = 4,518.99 × 875.30
  4. Step 4: Simplify right side
    3,013.07x = 3,955,449.35
  5. Step 5: Solve for x
    x = 3,955,449.35/3,013.07
  6. Step 6: Final answer
    x = 1,312.77

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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.