Home / 7,312.29-10,087.74-4,659.09

Finding the Fourth Proportional to 7,312.29, 10,087.74 and 4,659.09

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Solution

The fourth proportional to 7,312.29, 10,087.74 and 4,659.09 is: 6,427.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.29 : 10,087.74 = 4,659.09 : x
  2. Step 2: Convert to fraction form
    7,312.29/10,087.74 = 4,659.09/x
  3. Step 3: Cross multiply
    7,312.29x = 10,087.74 × 4,659.09
  4. Step 4: Simplify right side
    7,312.29x = 46,999,688.56
  5. Step 5: Solve for x
    x = 46,999,688.56/7,312.29
  6. Step 6: Final answer
    x = 6,427.49

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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.