Home / 7,830.02-10,805.34-4,293.22

Finding the Fourth Proportional to 7,830.02, 10,805.34 and 4,293.22

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Solution

The fourth proportional to 7,830.02, 10,805.34 and 4,293.22 is: 5,924.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,830.02 : 10,805.34 = 4,293.22 : x
  2. Step 2: Convert to fraction form
    7,830.02/10,805.34 = 4,293.22/x
  3. Step 3: Cross multiply
    7,830.02x = 10,805.34 × 4,293.22
  4. Step 4: Simplify right side
    7,830.02x = 46,389,674.78
  5. Step 5: Solve for x
    x = 46,389,674.78/7,830.02
  6. Step 6: Final answer
    x = 5,924.60

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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.