Home / 4,457.60-6,145.44-4,263.20

Finding the Fourth Proportional to 4,457.60, 6,145.44 and 4,263.20

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Solution

The fourth proportional to 4,457.60, 6,145.44 and 4,263.20 is: 5,877.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.60 : 6,145.44 = 4,263.20 : x
  2. Step 2: Convert to fraction form
    4,457.60/6,145.44 = 4,263.20/x
  3. Step 3: Cross multiply
    4,457.60x = 6,145.44 × 4,263.20
  4. Step 4: Simplify right side
    4,457.60x = 26,199,239.81
  5. Step 5: Solve for x
    x = 26,199,239.81/4,457.60
  6. Step 6: Final answer
    x = 5,877.43

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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.