Home / 7,419.24-10,228.68-4,897.08

Finding the Fourth Proportional to 7,419.24, 10,228.68 and 4,897.08

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Solution

The fourth proportional to 7,419.24, 10,228.68 and 4,897.08 is: 6,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.24 : 10,228.68 = 4,897.08 : x
  2. Step 2: Convert to fraction form
    7,419.24/10,228.68 = 4,897.08/x
  3. Step 3: Cross multiply
    7,419.24x = 10,228.68 × 4,897.08
  4. Step 4: Simplify right side
    7,419.24x = 50,090,664.25
  5. Step 5: Solve for x
    x = 50,090,664.25/7,419.24
  6. Step 6: Final answer
    x = 6,751.45

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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.