Home / 9,628.92-13,289.10-5,437.14

Finding the Fourth Proportional to 9,628.92, 13,289.10 and 5,437.14

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Solution

The fourth proportional to 9,628.92, 13,289.10 and 5,437.14 is: 7,503.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,628.92 : 13,289.10 = 5,437.14 : x
  2. Step 2: Convert to fraction form
    9,628.92/13,289.10 = 5,437.14/x
  3. Step 3: Cross multiply
    9,628.92x = 13,289.10 × 5,437.14
  4. Step 4: Simplify right side
    9,628.92x = 72,254,697.17
  5. Step 5: Solve for x
    x = 72,254,697.17/9,628.92
  6. Step 6: Final answer
    x = 7,503.93

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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.