Home / 7,554.40-11,331.60-5,610.40

Finding the Fourth Proportional to 7,554.40, 11,331.60 and 5,610.40

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Solution

The fourth proportional to 7,554.40, 11,331.60 and 5,610.40 is: 8,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,554.40 : 11,331.60 = 5,610.40 : x
  2. Step 2: Convert to fraction form
    7,554.40/11,331.60 = 5,610.40/x
  3. Step 3: Cross multiply
    7,554.40x = 11,331.60 × 5,610.40
  4. Step 4: Simplify right side
    7,554.40x = 63,574,808.64
  5. Step 5: Solve for x
    x = 63,574,808.64/7,554.40
  6. Step 6: Final answer
    x = 8,415.60

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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.