Home / 9,110.17-13,665.43-2,870.39

Finding the Fourth Proportional to 9,110.17, 13,665.43 and 2,870.39

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Solution

The fourth proportional to 9,110.17, 13,665.43 and 2,870.39 is: 4,305.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.17 : 13,665.43 = 2,870.39 : x
  2. Step 2: Convert to fraction form
    9,110.17/13,665.43 = 2,870.39/x
  3. Step 3: Cross multiply
    9,110.17x = 13,665.43 × 2,870.39
  4. Step 4: Simplify right side
    9,110.17x = 39,225,038.11
  5. Step 5: Solve for x
    x = 39,225,038.11/9,110.17
  6. Step 6: Final answer
    x = 4,305.63

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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.