Home / 7,355.31-10,150.07-4,210.89

Finding the Fourth Proportional to 7,355.31, 10,150.07 and 4,210.89

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Solution

The fourth proportional to 7,355.31, 10,150.07 and 4,210.89 is: 5,810.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.31 : 10,150.07 = 4,210.89 : x
  2. Step 2: Convert to fraction form
    7,355.31/10,150.07 = 4,210.89/x
  3. Step 3: Cross multiply
    7,355.31x = 10,150.07 × 4,210.89
  4. Step 4: Simplify right side
    7,355.31x = 42,740,828.26
  5. Step 5: Solve for x
    x = 42,740,828.26/7,355.31
  6. Step 6: Final answer
    x = 5,810.88

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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.