Home / 5,409.36-7,457.40-4,066.74

Finding the Fourth Proportional to 5,409.36, 7,457.40 and 4,066.74

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Solution

The fourth proportional to 5,409.36, 7,457.40 and 4,066.74 is: 5,606.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.36 : 7,457.40 = 4,066.74 : x
  2. Step 2: Convert to fraction form
    5,409.36/7,457.40 = 4,066.74/x
  3. Step 3: Cross multiply
    5,409.36x = 7,457.40 × 4,066.74
  4. Step 4: Simplify right side
    5,409.36x = 30,327,306.88
  5. Step 5: Solve for x
    x = 30,327,306.88/5,409.36
  6. Step 6: Final answer
    x = 5,606.45

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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.