Home / 9,258.40-13,887.60-5,360.80

Finding the Fourth Proportional to 9,258.40, 13,887.60 and 5,360.80

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Solution

The fourth proportional to 9,258.40, 13,887.60 and 5,360.80 is: 8,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,258.40 : 13,887.60 = 5,360.80 : x
  2. Step 2: Convert to fraction form
    9,258.40/13,887.60 = 5,360.80/x
  3. Step 3: Cross multiply
    9,258.40x = 13,887.60 × 5,360.80
  4. Step 4: Simplify right side
    9,258.40x = 74,448,646.08
  5. Step 5: Solve for x
    x = 74,448,646.08/9,258.40
  6. Step 6: Final answer
    x = 8,041.20

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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.