Home / 9,675.78-13,352.58-5,484.06

Finding the Fourth Proportional to 9,675.78, 13,352.58 and 5,484.06

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Solution

The fourth proportional to 9,675.78, 13,352.58 and 5,484.06 is: 7,568.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,675.78 : 13,352.58 = 5,484.06 : x
  2. Step 2: Convert to fraction form
    9,675.78/13,352.58 = 5,484.06/x
  3. Step 3: Cross multiply
    9,675.78x = 13,352.58 × 5,484.06
  4. Step 4: Simplify right side
    9,675.78x = 73,226,349.87
  5. Step 5: Solve for x
    x = 73,226,349.87/9,675.78
  6. Step 6: Final answer
    x = 7,568.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.