Home / 8,875.06-13,312.28-3,608.51

Finding the Fourth Proportional to 8,875.06, 13,312.28 and 3,608.51

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Solution

The fourth proportional to 8,875.06, 13,312.28 and 3,608.51 is: 5,412.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.06 : 13,312.28 = 3,608.51 : x
  2. Step 2: Convert to fraction form
    8,875.06/13,312.28 = 3,608.51/x
  3. Step 3: Cross multiply
    8,875.06x = 13,312.28 × 3,608.51
  4. Step 4: Simplify right side
    8,875.06x = 48,037,437.96
  5. Step 5: Solve for x
    x = 48,037,437.96/8,875.06
  6. Step 6: Final answer
    x = 5,412.63

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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.