Home / 7,585.30-11,376.87-2,390.50

Finding the Fourth Proportional to 7,585.30, 11,376.87 and 2,390.50

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Solution

The fourth proportional to 7,585.30, 11,376.87 and 2,390.50 is: 3,585.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,585.30 : 11,376.87 = 2,390.50 : x
  2. Step 2: Convert to fraction form
    7,585.30/11,376.87 = 2,390.50/x
  3. Step 3: Cross multiply
    7,585.30x = 11,376.87 × 2,390.50
  4. Step 4: Simplify right side
    7,585.30x = 27,196,407.74
  5. Step 5: Solve for x
    x = 27,196,407.74/7,585.30
  6. Step 6: Final answer
    x = 3,585.41

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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.