Home / 7,622.31-10,518.07-4,750.77

Finding the Fourth Proportional to 7,622.31, 10,518.07 and 4,750.77

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Solution

The fourth proportional to 7,622.31, 10,518.07 and 4,750.77 is: 6,555.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.31 : 10,518.07 = 4,750.77 : x
  2. Step 2: Convert to fraction form
    7,622.31/10,518.07 = 4,750.77/x
  3. Step 3: Cross multiply
    7,622.31x = 10,518.07 × 4,750.77
  4. Step 4: Simplify right side
    7,622.31x = 49,968,931.41
  5. Step 5: Solve for x
    x = 49,968,931.41/7,622.31
  6. Step 6: Final answer
    x = 6,555.62

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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.