Home / 9,109.08-13,666.90-4,728.60

Finding the Fourth Proportional to 9,109.08, 13,666.90 and 4,728.60

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Solution

The fourth proportional to 9,109.08, 13,666.90 and 4,728.60 is: 7,094.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109.08 : 13,666.90 = 4,728.60 : x
  2. Step 2: Convert to fraction form
    9,109.08/13,666.90 = 4,728.60/x
  3. Step 3: Cross multiply
    9,109.08x = 13,666.90 × 4,728.60
  4. Step 4: Simplify right side
    9,109.08x = 64,625,303.34
  5. Step 5: Solve for x
    x = 64,625,303.34/9,109.08
  6. Step 6: Final answer
    x = 7,094.60

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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.