Home / 4,890.90-7,332.30-2,582.40

Finding the Fourth Proportional to 4,890.90, 7,332.30 and 2,582.40

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Solution

The fourth proportional to 4,890.90, 7,332.30 and 2,582.40 is: 3,871.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.90 : 7,332.30 = 2,582.40 : x
  2. Step 2: Convert to fraction form
    4,890.90/7,332.30 = 2,582.40/x
  3. Step 3: Cross multiply
    4,890.90x = 7,332.30 × 2,582.40
  4. Step 4: Simplify right side
    4,890.90x = 18,934,931.52
  5. Step 5: Solve for x
    x = 18,934,931.52/4,890.90
  6. Step 6: Final answer
    x = 3,871.46

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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.