Home / 4,973.13-7,458.89-1,686.15

Finding the Fourth Proportional to 4,973.13, 7,458.89 and 1,686.15

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Solution

The fourth proportional to 4,973.13, 7,458.89 and 1,686.15 is: 2,528.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,973.13 : 7,458.89 = 1,686.15 : x
  2. Step 2: Convert to fraction form
    4,973.13/7,458.89 = 1,686.15/x
  3. Step 3: Cross multiply
    4,973.13x = 7,458.89 × 1,686.15
  4. Step 4: Simplify right side
    4,973.13x = 12,576,798.94
  5. Step 5: Solve for x
    x = 12,576,798.94/4,973.13
  6. Step 6: Final answer
    x = 2,528.95

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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.