Home / 4,928.65-7,388.58-1,807.93

Finding the Fourth Proportional to 4,928.65, 7,388.58 and 1,807.93

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Solution

The fourth proportional to 4,928.65, 7,388.58 and 1,807.93 is: 2,710.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.65 : 7,388.58 = 1,807.93 : x
  2. Step 2: Convert to fraction form
    4,928.65/7,388.58 = 1,807.93/x
  3. Step 3: Cross multiply
    4,928.65x = 7,388.58 × 1,807.93
  4. Step 4: Simplify right side
    4,928.65x = 13,358,030.72
  5. Step 5: Solve for x
    x = 13,358,030.72/4,928.65
  6. Step 6: Final answer
    x = 2,710.28

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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.