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Finding the Fourth Proportional to 4,807.83, 7,207.47 and 1,888.17

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Solution

The fourth proportional to 4,807.83, 7,207.47 and 1,888.17 is: 2,830.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,807.83 : 7,207.47 = 1,888.17 : x
  2. Step 2: Convert to fraction form
    4,807.83/7,207.47 = 1,888.17/x
  3. Step 3: Cross multiply
    4,807.83x = 7,207.47 × 1,888.17
  4. Step 4: Simplify right side
    4,807.83x = 13,608,928.63
  5. Step 5: Solve for x
    x = 13,608,928.63/4,807.83
  6. Step 6: Final answer
    x = 2,830.58

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1.5x scale

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.