Home / 5,303.37-7,318.02-3,178.63

Finding the Fourth Proportional to 5,303.37, 7,318.02 and 3,178.63

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Solution

The fourth proportional to 5,303.37, 7,318.02 and 3,178.63 is: 4,386.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.37 : 7,318.02 = 3,178.63 : x
  2. Step 2: Convert to fraction form
    5,303.37/7,318.02 = 3,178.63/x
  3. Step 3: Cross multiply
    5,303.37x = 7,318.02 × 3,178.63
  4. Step 4: Simplify right side
    5,303.37x = 23,261,277.91
  5. Step 5: Solve for x
    x = 23,261,277.91/5,303.37
  6. Step 6: Final answer
    x = 4,386.13

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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.