Home / 9,130.46-13,689.51-3,580.34

Finding the Fourth Proportional to 9,130.46, 13,689.51 and 3,580.34

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Solution

The fourth proportional to 9,130.46, 13,689.51 and 3,580.34 is: 5,368.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.46 : 13,689.51 = 3,580.34 : x
  2. Step 2: Convert to fraction form
    9,130.46/13,689.51 = 3,580.34/x
  3. Step 3: Cross multiply
    9,130.46x = 13,689.51 × 3,580.34
  4. Step 4: Simplify right side
    9,130.46x = 49,013,100.23
  5. Step 5: Solve for x
    x = 49,013,100.23/9,130.46
  6. Step 6: Final answer
    x = 5,368.09

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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.