Home / 7,069.04-10,605.16-3,780.40

Finding the Fourth Proportional to 7,069.04, 10,605.16 and 3,780.40

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Solution

The fourth proportional to 7,069.04, 10,605.16 and 3,780.40 is: 5,671.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.04 : 10,605.16 = 3,780.40 : x
  2. Step 2: Convert to fraction form
    7,069.04/10,605.16 = 3,780.40/x
  3. Step 3: Cross multiply
    7,069.04x = 10,605.16 × 3,780.40
  4. Step 4: Simplify right side
    7,069.04x = 40,091,746.86
  5. Step 5: Solve for x
    x = 40,091,746.86/7,069.04
  6. Step 6: Final answer
    x = 5,671.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.