Home / 4,756.40-7,133.52-2,289.68

Finding the Fourth Proportional to 4,756.40, 7,133.52 and 2,289.68

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Solution

The fourth proportional to 4,756.40, 7,133.52 and 2,289.68 is: 3,434.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,756.40 : 7,133.52 = 2,289.68 : x
  2. Step 2: Convert to fraction form
    4,756.40/7,133.52 = 2,289.68/x
  3. Step 3: Cross multiply
    4,756.40x = 7,133.52 × 2,289.68
  4. Step 4: Simplify right side
    4,756.40x = 16,333,478.07
  5. Step 5: Solve for x
    x = 16,333,478.07/4,756.40
  6. Step 6: Final answer
    x = 3,434.00

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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.