Home / 6,319.02-9,478.47-2,158.98

Finding the Fourth Proportional to 6,319.02, 9,478.47 and 2,158.98

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Solution

The fourth proportional to 6,319.02, 9,478.47 and 2,158.98 is: 3,238.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.02 : 9,478.47 = 2,158.98 : x
  2. Step 2: Convert to fraction form
    6,319.02/9,478.47 = 2,158.98/x
  3. Step 3: Cross multiply
    6,319.02x = 9,478.47 × 2,158.98
  4. Step 4: Simplify right side
    6,319.02x = 20,463,827.16
  5. Step 5: Solve for x
    x = 20,463,827.16/6,319.02
  6. Step 6: Final answer
    x = 3,238.45

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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.