Home / 7,830.07-10,805.81-4,293.41

Finding the Fourth Proportional to 7,830.07, 10,805.81 and 4,293.41

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Solution

The fourth proportional to 7,830.07, 10,805.81 and 4,293.41 is: 5,925.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,830.07 : 10,805.81 = 4,293.41 : x
  2. Step 2: Convert to fraction form
    7,830.07/10,805.81 = 4,293.41/x
  3. Step 3: Cross multiply
    7,830.07x = 10,805.81 × 4,293.41
  4. Step 4: Simplify right side
    7,830.07x = 46,393,697.22
  5. Step 5: Solve for x
    x = 46,393,697.22/7,830.07
  6. Step 6: Final answer
    x = 5,925.07

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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.