Home / 5,457.96-8,186.88-1,562.40

Finding the Fourth Proportional to 5,457.96, 8,186.88 and 1,562.40

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Solution

The fourth proportional to 5,457.96, 8,186.88 and 1,562.40 is: 2,343.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.96 : 8,186.88 = 1,562.40 : x
  2. Step 2: Convert to fraction form
    5,457.96/8,186.88 = 1,562.40/x
  3. Step 3: Cross multiply
    5,457.96x = 8,186.88 × 1,562.40
  4. Step 4: Simplify right side
    5,457.96x = 12,791,181.31
  5. Step 5: Solve for x
    x = 12,791,181.31/5,457.96
  6. Step 6: Final answer
    x = 2,343.58

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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.