Home / 7,840.31-10,818.07-4,653.02

Finding the Fourth Proportional to 7,840.31, 10,818.07 and 4,653.02

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Solution

The fourth proportional to 7,840.31, 10,818.07 and 4,653.02 is: 6,420.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840.31 : 10,818.07 = 4,653.02 : x
  2. Step 2: Convert to fraction form
    7,840.31/10,818.07 = 4,653.02/x
  3. Step 3: Cross multiply
    7,840.31x = 10,818.07 × 4,653.02
  4. Step 4: Simplify right side
    7,840.31x = 50,336,711.48
  5. Step 5: Solve for x
    x = 50,336,711.48/7,840.31
  6. Step 6: Final answer
    x = 6,420.25

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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.