Home / 4,875-7,316.64-1,955.28

Finding the Fourth Proportional to 4,875, 7,316.64 and 1,955.28

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Solution

The fourth proportional to 4,875, 7,316.64 and 1,955.28 is: 2,934.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875 : 7,316.64 = 1,955.28 : x
  2. Step 2: Convert to fraction form
    4,875/7,316.64 = 1,955.28/x
  3. Step 3: Cross multiply
    4,875x = 7,316.64 × 1,955.28
  4. Step 4: Simplify right side
    4,875x = 14,306,079.86
  5. Step 5: Solve for x
    x = 14,306,079.86/4,875
  6. Step 6: Final answer
    x = 2,934.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.