Home / 5,617.61-8,426.36-1,457.60

Finding the Fourth Proportional to 5,617.61, 8,426.36 and 1,457.60

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Solution

The fourth proportional to 5,617.61, 8,426.36 and 1,457.60 is: 2,186.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.61 : 8,426.36 = 1,457.60 : x
  2. Step 2: Convert to fraction form
    5,617.61/8,426.36 = 1,457.60/x
  3. Step 3: Cross multiply
    5,617.61x = 8,426.36 × 1,457.60
  4. Step 4: Simplify right side
    5,617.61x = 12,282,212.92
  5. Step 5: Solve for x
    x = 12,282,212.92/5,617.61
  6. Step 6: Final answer
    x = 2,186.38

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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.