Home / 4,714.04-6,510.84-3,139.40

Finding the Fourth Proportional to 4,714.04, 6,510.84 and 3,139.40

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Solution

The fourth proportional to 4,714.04, 6,510.84 and 3,139.40 is: 4,336.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,714.04 : 6,510.84 = 3,139.40 : x
  2. Step 2: Convert to fraction form
    4,714.04/6,510.84 = 3,139.40/x
  3. Step 3: Cross multiply
    4,714.04x = 6,510.84 × 3,139.40
  4. Step 4: Simplify right side
    4,714.04x = 20,440,098.54
  5. Step 5: Solve for x
    x = 20,440,098.54/4,714.04
  6. Step 6: Final answer
    x = 4,336.01

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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.