Home / 5,289.23-7,298.91-2,931.32

Finding the Fourth Proportional to 5,289.23, 7,298.91 and 2,931.32

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Solution

The fourth proportional to 5,289.23, 7,298.91 and 2,931.32 is: 4,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.23 : 7,298.91 = 2,931.32 : x
  2. Step 2: Convert to fraction form
    5,289.23/7,298.91 = 2,931.32/x
  3. Step 3: Cross multiply
    5,289.23x = 7,298.91 × 2,931.32
  4. Step 4: Simplify right side
    5,289.23x = 21,395,459.11
  5. Step 5: Solve for x
    x = 21,395,459.11/5,289.23
  6. Step 6: Final answer
    x = 4,045.10

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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.