Home / 9,027.45-12,457.40-5,669.19

Finding the Fourth Proportional to 9,027.45, 12,457.40 and 5,669.19

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Solution

The fourth proportional to 9,027.45, 12,457.40 and 5,669.19 is: 7,823.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,027.45 : 12,457.40 = 5,669.19 : x
  2. Step 2: Convert to fraction form
    9,027.45/12,457.40 = 5,669.19/x
  3. Step 3: Cross multiply
    9,027.45x = 12,457.40 × 5,669.19
  4. Step 4: Simplify right side
    9,027.45x = 70,623,339.16
  5. Step 5: Solve for x
    x = 70,623,339.16/9,027.45
  6. Step 6: Final answer
    x = 7,823.18

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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.