Home / 5,206.48-7,185-2,848.72

Finding the Fourth Proportional to 5,206.48, 7,185 and 2,848.72

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Solution

The fourth proportional to 5,206.48, 7,185 and 2,848.72 is: 3,931.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.48 : 7,185 = 2,848.72 : x
  2. Step 2: Convert to fraction form
    5,206.48/7,185 = 2,848.72/x
  3. Step 3: Cross multiply
    5,206.48x = 7,185 × 2,848.72
  4. Step 4: Simplify right side
    5,206.48x = 20,468,053.20
  5. Step 5: Solve for x
    x = 20,468,053.20/5,206.48
  6. Step 6: Final answer
    x = 3,931.27

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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.