Home / 7,638.16-11,457.60-2,444.08

Finding the Fourth Proportional to 7,638.16, 11,457.60 and 2,444.08

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Solution

The fourth proportional to 7,638.16, 11,457.60 and 2,444.08 is: 3,666.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638.16 : 11,457.60 = 2,444.08 : x
  2. Step 2: Convert to fraction form
    7,638.16/11,457.60 = 2,444.08/x
  3. Step 3: Cross multiply
    7,638.16x = 11,457.60 × 2,444.08
  4. Step 4: Simplify right side
    7,638.16x = 28,003,291.01
  5. Step 5: Solve for x
    x = 28,003,291.01/7,638.16
  6. Step 6: Final answer
    x = 3,666.24

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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.