Home / 9,784.85-13,502.60-5,308.49

Finding the Fourth Proportional to 9,784.85, 13,502.60 and 5,308.49

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Solution

The fourth proportional to 9,784.85, 13,502.60 and 5,308.49 is: 7,325.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,784.85 : 13,502.60 = 5,308.49 : x
  2. Step 2: Convert to fraction form
    9,784.85/13,502.60 = 5,308.49/x
  3. Step 3: Cross multiply
    9,784.85x = 13,502.60 × 5,308.49
  4. Step 4: Simplify right side
    9,784.85x = 71,678,368.24
  5. Step 5: Solve for x
    x = 71,678,368.24/9,784.85
  6. Step 6: Final answer
    x = 7,325.44

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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.