Home / 6,970.40-10,453.48-3,681.76

Finding the Fourth Proportional to 6,970.40, 10,453.48 and 3,681.76

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Solution

The fourth proportional to 6,970.40, 10,453.48 and 3,681.76 is: 5,521.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,970.40 : 10,453.48 = 3,681.76 : x
  2. Step 2: Convert to fraction form
    6,970.40/10,453.48 = 3,681.76/x
  3. Step 3: Cross multiply
    6,970.40x = 10,453.48 × 3,681.76
  4. Step 4: Simplify right side
    6,970.40x = 38,487,204.52
  5. Step 5: Solve for x
    x = 38,487,204.52/6,970.40
  6. Step 6: Final answer
    x = 5,521.52

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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.