Home / 4,686.10-7,030.23-1,399.42

Finding the Fourth Proportional to 4,686.10, 7,030.23 and 1,399.42

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Solution

The fourth proportional to 4,686.10, 7,030.23 and 1,399.42 is: 2,099.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.10 : 7,030.23 = 1,399.42 : x
  2. Step 2: Convert to fraction form
    4,686.10/7,030.23 = 1,399.42/x
  3. Step 3: Cross multiply
    4,686.10x = 7,030.23 × 1,399.42
  4. Step 4: Simplify right side
    4,686.10x = 9,838,244.47
  5. Step 5: Solve for x
    x = 9,838,244.47/4,686.10
  6. Step 6: Final answer
    x = 2,099.45

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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.