Home / 4,678.66-7,017.31-1,558.77

Finding the Fourth Proportional to 4,678.66, 7,017.31 and 1,558.77

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Solution

The fourth proportional to 4,678.66, 7,017.31 and 1,558.77 is: 2,337.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.66 : 7,017.31 = 1,558.77 : x
  2. Step 2: Convert to fraction form
    4,678.66/7,017.31 = 1,558.77/x
  3. Step 3: Cross multiply
    4,678.66x = 7,017.31 × 1,558.77
  4. Step 4: Simplify right side
    4,678.66x = 10,938,363.29
  5. Step 5: Solve for x
    x = 10,938,363.29/4,678.66
  6. Step 6: Final answer
    x = 2,337.93

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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.