Home / 6,312.07-8,710.95-3,660.31

Finding the Fourth Proportional to 6,312.07, 8,710.95 and 3,660.31

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Solution

The fourth proportional to 6,312.07, 8,710.95 and 3,660.31 is: 5,051.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,312.07 : 8,710.95 = 3,660.31 : x
  2. Step 2: Convert to fraction form
    6,312.07/8,710.95 = 3,660.31/x
  3. Step 3: Cross multiply
    6,312.07x = 8,710.95 × 3,660.31
  4. Step 4: Simplify right side
    6,312.07x = 31,884,777.39
  5. Step 5: Solve for x
    x = 31,884,777.39/6,312.07
  6. Step 6: Final answer
    x = 5,051.40

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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.