Home / 9,270.40-13,915.32-4,886.68

Finding the Fourth Proportional to 9,270.40, 13,915.32 and 4,886.68

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Solution

The fourth proportional to 9,270.40, 13,915.32 and 4,886.68 is: 7,335.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,270.40 : 13,915.32 = 4,886.68 : x
  2. Step 2: Convert to fraction form
    9,270.40/13,915.32 = 4,886.68/x
  3. Step 3: Cross multiply
    9,270.40x = 13,915.32 × 4,886.68
  4. Step 4: Simplify right side
    9,270.40x = 67,999,715.94
  5. Step 5: Solve for x
    x = 67,999,715.94/9,270.40
  6. Step 6: Final answer
    x = 7,335.14

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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.