Home / 5,457.84-7,531.98-3,100.08

Finding the Fourth Proportional to 5,457.84, 7,531.98 and 3,100.08

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Solution

The fourth proportional to 5,457.84, 7,531.98 and 3,100.08 is: 4,278.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.84 : 7,531.98 = 3,100.08 : x
  2. Step 2: Convert to fraction form
    5,457.84/7,531.98 = 3,100.08/x
  3. Step 3: Cross multiply
    5,457.84x = 7,531.98 × 3,100.08
  4. Step 4: Simplify right side
    5,457.84x = 23,349,740.56
  5. Step 5: Solve for x
    x = 23,349,740.56/5,457.84
  6. Step 6: Final answer
    x = 4,278.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.