Home / 5,457.50-7,531.36-2,973.50

Finding the Fourth Proportional to 5,457.50, 7,531.36 and 2,973.50

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Solution

The fourth proportional to 5,457.50, 7,531.36 and 2,973.50 is: 4,103.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.50 : 7,531.36 = 2,973.50 : x
  2. Step 2: Convert to fraction form
    5,457.50/7,531.36 = 2,973.50/x
  3. Step 3: Cross multiply
    5,457.50x = 7,531.36 × 2,973.50
  4. Step 4: Simplify right side
    5,457.50x = 22,394,498.96
  5. Step 5: Solve for x
    x = 22,394,498.96/5,457.50
  6. Step 6: Final answer
    x = 4,103.44

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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.