Home / 9,130.04-13,695.54-2,890.71

Finding the Fourth Proportional to 9,130.04, 13,695.54 and 2,890.71

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Solution

The fourth proportional to 9,130.04, 13,695.54 and 2,890.71 is: 4,336.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.04 : 13,695.54 = 2,890.71 : x
  2. Step 2: Convert to fraction form
    9,130.04/13,695.54 = 2,890.71/x
  3. Step 3: Cross multiply
    9,130.04x = 13,695.54 × 2,890.71
  4. Step 4: Simplify right side
    9,130.04x = 39,589,772.23
  5. Step 5: Solve for x
    x = 39,589,772.23/9,130.04
  6. Step 6: Final answer
    x = 4,336.21

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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.