Home / 9,039.40-13,557.81-3,495.35

Finding the Fourth Proportional to 9,039.40, 13,557.81 and 3,495.35

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Solution

The fourth proportional to 9,039.40, 13,557.81 and 3,495.35 is: 5,242.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.40 : 13,557.81 = 3,495.35 : x
  2. Step 2: Convert to fraction form
    9,039.40/13,557.81 = 3,495.35/x
  3. Step 3: Cross multiply
    9,039.40x = 13,557.81 × 3,495.35
  4. Step 4: Simplify right side
    9,039.40x = 47,389,291.18
  5. Step 5: Solve for x
    x = 47,389,291.18/9,039.40
  6. Step 6: Final answer
    x = 5,242.53

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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.