Home / 9,117.24-13,676.40-2,877.45

Finding the Fourth Proportional to 9,117.24, 13,676.40 and 2,877.45

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Solution

The fourth proportional to 9,117.24, 13,676.40 and 2,877.45 is: 4,316.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.24 : 13,676.40 = 2,877.45 : x
  2. Step 2: Convert to fraction form
    9,117.24/13,676.40 = 2,877.45/x
  3. Step 3: Cross multiply
    9,117.24x = 13,676.40 × 2,877.45
  4. Step 4: Simplify right side
    9,117.24x = 39,353,157.18
  5. Step 5: Solve for x
    x = 39,353,157.18/9,117.24
  6. Step 6: Final answer
    x = 4,316.35

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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.