Home / 9,298.19-12,828.36-5,316.47

Finding the Fourth Proportional to 9,298.19, 12,828.36 and 5,316.47

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Solution

The fourth proportional to 9,298.19, 12,828.36 and 5,316.47 is: 7,334.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,298.19 : 12,828.36 = 5,316.47 : x
  2. Step 2: Convert to fraction form
    9,298.19/12,828.36 = 5,316.47/x
  3. Step 3: Cross multiply
    9,298.19x = 12,828.36 × 5,316.47
  4. Step 4: Simplify right side
    9,298.19x = 68,201,500.37
  5. Step 5: Solve for x
    x = 68,201,500.37/9,298.19
  6. Step 6: Final answer
    x = 7,334.93

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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.