Home / 5,303.15-7,318.21-2,913.17

Finding the Fourth Proportional to 5,303.15, 7,318.21 and 2,913.17

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Solution

The fourth proportional to 5,303.15, 7,318.21 and 2,913.17 is: 4,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.15 : 7,318.21 = 2,913.17 : x
  2. Step 2: Convert to fraction form
    5,303.15/7,318.21 = 2,913.17/x
  3. Step 3: Cross multiply
    5,303.15x = 7,318.21 × 2,913.17
  4. Step 4: Simplify right side
    5,303.15x = 21,319,189.83
  5. Step 5: Solve for x
    x = 21,319,189.83/5,303.15
  6. Step 6: Final answer
    x = 4,020.10

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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.