Home / 9,108.08-13,665.40-4,728.40

Finding the Fourth Proportional to 9,108.08, 13,665.40 and 4,728.40

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Solution

The fourth proportional to 9,108.08, 13,665.40 and 4,728.40 is: 7,094.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.08 : 13,665.40 = 4,728.40 : x
  2. Step 2: Convert to fraction form
    9,108.08/13,665.40 = 4,728.40/x
  3. Step 3: Cross multiply
    9,108.08x = 13,665.40 × 4,728.40
  4. Step 4: Simplify right side
    9,108.08x = 64,615,477.36
  5. Step 5: Solve for x
    x = 64,615,477.36/9,108.08
  6. Step 6: Final answer
    x = 7,094.30

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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.