Home / 7,312.72-10,093.93-5,423.70

Finding the Fourth Proportional to 7,312.72, 10,093.93 and 5,423.70

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Solution

The fourth proportional to 7,312.72, 10,093.93 and 5,423.70 is: 7,486.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.72 : 10,093.93 = 5,423.70 : x
  2. Step 2: Convert to fraction form
    7,312.72/10,093.93 = 5,423.70/x
  3. Step 3: Cross multiply
    7,312.72x = 10,093.93 × 5,423.70
  4. Step 4: Simplify right side
    7,312.72x = 54,746,448.14
  5. Step 5: Solve for x
    x = 54,746,448.14/7,312.72
  6. Step 6: Final answer
    x = 7,486.47

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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.