Home / 8,887.04-13,334.40-4,985.60

Finding the Fourth Proportional to 8,887.04, 13,334.40 and 4,985.60

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Solution

The fourth proportional to 8,887.04, 13,334.40 and 4,985.60 is: 7,480.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.04 : 13,334.40 = 4,985.60 : x
  2. Step 2: Convert to fraction form
    8,887.04/13,334.40 = 4,985.60/x
  3. Step 3: Cross multiply
    8,887.04x = 13,334.40 × 4,985.60
  4. Step 4: Simplify right side
    8,887.04x = 66,479,984.64
  5. Step 5: Solve for x
    x = 66,479,984.64/8,887.04
  6. Step 6: Final answer
    x = 7,480.55

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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.