Home / 6,929.73-10,390.95-4,739.09

Finding the Fourth Proportional to 6,929.73, 10,390.95 and 4,739.09

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Solution

The fourth proportional to 6,929.73, 10,390.95 and 4,739.09 is: 7,106.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.73 : 10,390.95 = 4,739.09 : x
  2. Step 2: Convert to fraction form
    6,929.73/10,390.95 = 4,739.09/x
  3. Step 3: Cross multiply
    6,929.73x = 10,390.95 × 4,739.09
  4. Step 4: Simplify right side
    6,929.73x = 49,243,595.28
  5. Step 5: Solve for x
    x = 49,243,595.28/6,929.73
  6. Step 6: Final answer
    x = 7,106.13

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1.5x scale

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.