Home / 7,456.80-10,289.16-4,312.36

Finding the Fourth Proportional to 7,456.80, 10,289.16 and 4,312.36

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Solution

The fourth proportional to 7,456.80, 10,289.16 and 4,312.36 is: 5,950.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.80 : 10,289.16 = 4,312.36 : x
  2. Step 2: Convert to fraction form
    7,456.80/10,289.16 = 4,312.36/x
  3. Step 3: Cross multiply
    7,456.80x = 10,289.16 × 4,312.36
  4. Step 4: Simplify right side
    7,456.80x = 44,370,562.02
  5. Step 5: Solve for x
    x = 44,370,562.02/7,456.80
  6. Step 6: Final answer
    x = 5,950.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.