Home / 7,317.16-10,077.42-6,322.12

Finding the Fourth Proportional to 7,317.16, 10,077.42 and 6,322.12

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Solution

The fourth proportional to 7,317.16, 10,077.42 and 6,322.12 is: 8,707.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.16 : 10,077.42 = 6,322.12 : x
  2. Step 2: Convert to fraction form
    7,317.16/10,077.42 = 6,322.12/x
  3. Step 3: Cross multiply
    7,317.16x = 10,077.42 × 6,322.12
  4. Step 4: Simplify right side
    7,317.16x = 63,710,658.53
  5. Step 5: Solve for x
    x = 63,710,658.53/7,317.16
  6. Step 6: Final answer
    x = 8,707.02

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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.