Home / 8,598.96-12,911.40-4,905.36

Finding the Fourth Proportional to 8,598.96, 12,911.40 and 4,905.36

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Solution

The fourth proportional to 8,598.96, 12,911.40 and 4,905.36 is: 7,365.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.96 : 12,911.40 = 4,905.36 : x
  2. Step 2: Convert to fraction form
    8,598.96/12,911.40 = 4,905.36/x
  3. Step 3: Cross multiply
    8,598.96x = 12,911.40 × 4,905.36
  4. Step 4: Simplify right side
    8,598.96x = 63,335,065.10
  5. Step 5: Solve for x
    x = 63,335,065.10/8,598.96
  6. Step 6: Final answer
    x = 7,365.43

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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.