Home / 7,742.16-10,686.56-4,762.32

Finding the Fourth Proportional to 7,742.16, 10,686.56 and 4,762.32

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Solution

The fourth proportional to 7,742.16, 10,686.56 and 4,762.32 is: 6,573.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.16 : 10,686.56 = 4,762.32 : x
  2. Step 2: Convert to fraction form
    7,742.16/10,686.56 = 4,762.32/x
  3. Step 3: Cross multiply
    7,742.16x = 10,686.56 × 4,762.32
  4. Step 4: Simplify right side
    7,742.16x = 50,892,818.42
  5. Step 5: Solve for x
    x = 50,892,818.42/7,742.16
  6. Step 6: Final answer
    x = 6,573.47

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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.