Home / 9,240.40-13,867.89-4,307.50

Finding the Fourth Proportional to 9,240.40, 13,867.89 and 4,307.50

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Solution

The fourth proportional to 9,240.40, 13,867.89 and 4,307.50 is: 6,464.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.40 : 13,867.89 = 4,307.50 : x
  2. Step 2: Convert to fraction form
    9,240.40/13,867.89 = 4,307.50/x
  3. Step 3: Cross multiply
    9,240.40x = 13,867.89 × 4,307.50
  4. Step 4: Simplify right side
    9,240.40x = 59,735,845.30
  5. Step 5: Solve for x
    x = 59,735,845.30/9,240.40
  6. Step 6: Final answer
    x = 6,464.64

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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.