Home / 7,835.08-10,812.06-4,298.21

Finding the Fourth Proportional to 7,835.08, 10,812.06 and 4,298.21

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Solution

The fourth proportional to 7,835.08, 10,812.06 and 4,298.21 is: 5,931.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.08 : 10,812.06 = 4,298.21 : x
  2. Step 2: Convert to fraction form
    7,835.08/10,812.06 = 4,298.21/x
  3. Step 3: Cross multiply
    7,835.08x = 10,812.06 × 4,298.21
  4. Step 4: Simplify right side
    7,835.08x = 46,472,539.63
  5. Step 5: Solve for x
    x = 46,472,539.63/7,835.08
  6. Step 6: Final answer
    x = 5,931.34

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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.