Home / 8,457.23-12,685.93-3,777.48

Finding the Fourth Proportional to 8,457.23, 12,685.93 and 3,777.48

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Solution

The fourth proportional to 8,457.23, 12,685.93 and 3,777.48 is: 5,666.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.23 : 12,685.93 = 3,777.48 : x
  2. Step 2: Convert to fraction form
    8,457.23/12,685.93 = 3,777.48/x
  3. Step 3: Cross multiply
    8,457.23x = 12,685.93 × 3,777.48
  4. Step 4: Simplify right side
    8,457.23x = 47,920,846.86
  5. Step 5: Solve for x
    x = 47,920,846.86/8,457.23
  6. Step 6: Final answer
    x = 5,666.26

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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.